"Richmond Crown" and "Buttner Crown"
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: "Richmond Crown" and "Buttner Crown". Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: "Richmond Crown" and "Buttner Crown". Wellcome Collection. Source: Wellcome Collection.